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Research in Veterinary Science

Sara Andrés-Lasheras, Rahat Zaheer, Cassidy Klima, Haley Sanderson, Rodrigo Ortega Polo, Mohammad Reza Marami Milani, Geert Vertenten, Tim A McAllister
The objective of this study was to assess the prevalence of three serotypes, A1, A2, and A6 in 98 M. haemolytica isolates collected from clinical BRD cases in European cattle and assess their antimicrobial resistance profiles. Isolates were characterized by serotyping (plate agglutination and serotype specific PCR) and antimicrobial susceptibility testing. The study identified a predominance of serotypes A1 (59%) and A6 (22%) in European M. haemolytica isolates exhibiting a relatively low level of antimicrobial resistance...
February 12, 2019: Research in Veterinary Science
A Rizzo, M Galgano, M Mutinati, R L Sciorsci
Alpha-fetoprotein (AFP) is a serum glycoprotein with structural and physico-chemical properties similar to albumin. However, the exact physiological functions of AFP remain unknown; those known to date include markers to pathological conditions including neoplastic and non-neoplastic diseases, antioxidant effects, growth regulator in different cells and in cancer, immune response modulator, and carrier for fatty acids and oestrogens. This review aimed to present an overview of the different functions of AFP, particularly its role in the sexual differentiation of the hypothalamus, because its ability to bind oestrogens prevents their passage to the brain, where they inhibit the surge centre development...
January 29, 2019: Research in Veterinary Science
Ueli Braun, Amelie Wiest, Thomas Lutz, Barbara Riond, Martina Stirn, Monika Hilbe, Markus R Baumgartner, Tina Maria Binz
The hypothesis of this study was that veal calves reared under enhanced welfare standards undergo less stress than calves raised in a conventionally system that meets the minimal standards of the Swiss animal welfare legislation, and that this difference is reflected by differences in hair cortisol concentrations and the size, weight and total cortisol concentration of the adrenal glands. A total of 100 veal calves reared under two different animal welfare production labels were used; the labels differed with respect to stocking density and access to an outdoor area and pasture...
January 28, 2019: Research in Veterinary Science
Atilio Sersun Calefi, Catarina Augusta de Queiroz Nunes, Juliana Garcia da Silva Fonseca, Wanderley Moreno Quinteiro-Filho, Antonio José Piantino Ferreira, João Palermo-Neto
Heat stress has a relevant effect on animal health and productivity. Stress and environmental changes can contribute to disease development, such as avian necrotic enteritis (NE). The goal of this study was to analyze the effects of heat stress applied to broiler chickens in an experimental model of co-infection with Clostridium perfringens and Eimeria spp. Therefore, the current study was designed to analyze the effect of heat stress to broiler chickens in an experimental model of infection or co-infection with Clostridium perfringens and Eimeria spp...
January 28, 2019: Research in Veterinary Science
Jiaxin Zhang, Xinnuo Lei, Dongliang Wang, Yifan Jiang, Yang Zhan, Meng Li, Yawen Zhou, Yiwen Qin, Jue Liu, Aibing Wang, Yi Yang, Naidong Wang
Porcine circovirus type 2 (PCV2) causes huge economic losses in the global swine industry and has a complex and poorly understood virus-host interaction mechanism. We reported that the C-terminal of the capsid protein of all PCV2 isolates shared a strictly conserved PXXP motif that may interact with SH3 domain-containing tyrosine kinases; however, its roles in PCV2 cell entry and replication remain unknown. In this study, we determined that mRNA levels of two SH3 domain-containing tyrosine kinases family (Abl and Src) had distinct profiles (wild-type and PXXP-mutated) during PCV2 infections of PK15 cells...
January 25, 2019: Research in Veterinary Science
Gunsup Lee, Hoonsung Choi, Shanmugam Sureshkumar, Sun Keun Jung, Jeom Sun Kim, Keon Bong Oh, Kyung-Woon Kim, Hyeon Yang, Dong-Hoon Kim, Sung June Byun
Infectious bronchitis (IB) generated by the infectious bronchitis virus (IBV) causes economic difficulties for livestock farmers. The 3D8 single chain variable fragment (scFv) protein is a recombinant antibody with nuclease activity that shows antiviral effects against various DNA and RNA viruses in mice and chickens. In this experiment, 3D8 scFv G2 transgenic chickens produced by crossing 3D8 scFv G1 transgenic rooster and wild type hens were screened by genomic PCR and immunohistochemistry analysis. 3D8 scFv transgenic chickens, wild type sibling chickens, and SPF chickens were directly infected with IBV (5 chickens per group) and indirectly infected by airborne propagation (15 chickens per group)...
January 23, 2019: Research in Veterinary Science
Mary Marcondes, Michael J Day
Latin America encompasses diverse geographical, cultural and socio-economic conditions, which are reflected in the challenges for infectious disease control in the region. One of the most significant regional infectious diseases for humans and domestic dogs is leishmaniasis, occurring as visceral leishmaniasis (VL) caused by Leishmania infantum (syn. L. chagasi) transmitted by sand flies (Lutzomyia longipalpis) and with a canine reservoir, and the more common cutaneous leishmaniasis (CL) involving multiple Leishmania spp...
January 23, 2019: Research in Veterinary Science
Ji-Li Yang, Teng Chen, Fa-Ming Miao, Li-Xin You, Hong-Yun Jiang, Li-Feng Zhao, Yu-Xuan Wei, Fei Liu, Jing-Hui Zhao
No abstract text is available yet for this article.
January 22, 2019: Research in Veterinary Science
Nikolaos Panousis, Nektarios Siachos, Georgios Kitkas, Emmanouil Kalaitzakis, Maria Kritsepi-Konstantinou, Georgios E Valergakis
No abstract text is available yet for this article.
January 22, 2019: Research in Veterinary Science
E Angeli, V Trionfini, N C Gareis, V Matiller, E Huber, F Rey, N R Salvetti, H H Ortega, G J Hein
We aimed to study the protein and gene expression of some hepatic enzymes of lipid metabolism along with plasma biomarkers in grazing dairy cattle during the transition period. Blood and liver biopsies from a group of eight multiparous cows were sampled at -28, -14, +4, +14, +28 and +56 days relative to parturition. Peak concentrations of NEFA and beta-hydroxybutyric acid with high triacylglycerol content in the liver were recorded on day 4 postpartum. Consistent with blood biomarkers, the gene expression of carnitine palmitoyltransferase 1A (CPT1A) and acyl-CoA oxidase 1 (ACOX1) increased, whereas that of diacylglycerol O-acyltransferase 1 (DGAT1) decreased...
January 21, 2019: Research in Veterinary Science
Wojciech Łopuszyński, Marek Szczubiał, Yolanda Millán, Silvia Guil-Luna, Raquel Sánchez-Céspedes, Juana Martin de Las Mulas, Anna Śmiech, Kamila Bulak
The aim of this study was to compare the expression of p63 protein and calponin in terms of their affinity and specificity for myoepithelial cells in canine mammary tumours. The studied material included 10 benign and 32 malignant mammary tumours from female dogs treated with mastectomy. Primary mouse monoclonal antibodies directed against p63 protein clone 4A4 and calponin clone CALP were used in single- and doublestain system of immunohistochemical reaction. The investigations have shown that majority of myoepithelial cells in benign tumours and carcinomas in situ exhibited strong positive labelling for both markers...
January 18, 2019: Research in Veterinary Science
A D Mihalca, C D Cazan, T Sulesco, M O Dumitrache
Many canine diseases, infectious or parasitic, have been newly reported as autochthonous in the last few years in Eastern Europe. This is notably evident for vector-borne diseases. The mechanisms behind the particular epidemiological pattern of infectious and parasitic diseases of pets in Eastern Europe are complex. Most countries from Eastern Europe are regarded as non-endemic for leishmaniosis, with sporadic cases only in both humans and dogs. However, recently, new imported or autochthonous cases are reported every year...
January 18, 2019: Research in Veterinary Science
Deepak Kumar, Taruna Anand, Kennady Vijayalakshmy, Papori Sharma, Rasika Rajendran, Naresh L Selokar, P S Yadav, Dharmendra Kumar
Commonly, induced pluripotent stem (iPS) cells are generated by viral transduction of four core reprogramming genes, but recent evidences suggest that slightly different combination of transcription factors improve the efficiency and quality of generated iPS cells. However, vectors like retro- and lentiviral may cause insertional mutagenesis due to its integrating ability. Hence, alternate methods with safety concerns are needed to be investigated. Therefore, the present study was undertaken to reprogram buffalo fibroblasts using non-viral piggyBac (PB) transposon mediated transfer of six transcription factors...
January 17, 2019: Research in Veterinary Science
Satish Kumar, Subodh Kumar, Ran Vir Singh, Anuj Chauhan, Amit Kumar, Jaya Bharati, Shoor Vir Singh
Bovine CLEC7A gene, encodes Dectin-1, an important pattern recognition molecule that generates proinflammatory response against mycobacterium. The aim of the present study was to identify single nuceotide polymorphisms (SNPs) in the gene CLEC7A and to evaluate association of these SNPs with occurrence of paratuberculosis (PTB) in cattle. A total of 213 cattle from three different farms were subjected to single intradermal Johnin test, ELISA test, faecal microscopy and faecal culture for establishment of case-control resource population...
January 17, 2019: Research in Veterinary Science
Damián Escribano, Heng-Lun Ko, Qiai Chong, Lourdes Llonch, Xavier Manteca, Pol Llonch
In this study, the changes of salivary stress biomarkers were contrasted with skin lesions during weaning in piglets. The stress biomarkers evaluated were cortisol (as the reflection of hypothalamic-pituitary-adrenal (HPA) axis), chromogranin A (CgA) and alpha amylase (sAA) (both as the reflection of sympathoadrenal-medullary (SAM) axis). In addition, the accumulation of skin lesions were assessed as proxy measures of aggression. One hundred and two Danbred piglets (51 female and 51 male) from primiparous and multiparous sows were studied from birth to two days post-weaning...
January 17, 2019: Research in Veterinary Science
Krishnamoorthy Paramanandham, Ashwini Mohankumar, Kuralayanapalya Puttahonnappa Suresh, Siju Susan Jacob, Parimal Roy
In the present study, the prevalence of Anaplasma species in diary animals from India and World was estimated using meta-analysis. Based on systematic review of studies on Anaplasma species from India [35] and World [66] from 1988 to 2017 and 1978-2017, respectively, using online databases and offline literatures, meta-analysis using meta package in R-Software was done. Prevalence of Anaplasma species in India and World were 11% [95% level, Confidence Interval[CI] 7-16%, Prediction Interval[PI] 1-69%] and 39% [95% level, CI 30-49%, PI 2-95%], and these were obtained using 31,117 and 46,365 samples, respectively...
January 15, 2019: Research in Veterinary Science
Chika Koyama, Taichi Haruna, Satoshi Hagihira, Kazuto Yamashita
Burst suppression on electroencephalogram (EEG) is defined as suppression periods longer than 0.5 s during which the amplitude does not exceed 5 μV in human. The aims of this study were; 1) an attempt of creating new criteria of burst suppression in dogs; and 2) a survey on accuracy of sub-parameter of Bispectral index (BIS). Using a BIS monitor, suppression ratio (SRBIS ) and raw-EEG data were recorded at 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, and 5.0% end-tidal sevoflurane concentration (ETSEV) in 6 beagle dogs...
January 14, 2019: Research in Veterinary Science
César Prado, Paula Fratini, Gustavo de Sá Schiavo Matias, Renato Z Bocabello, Juliana Monteiro, Célio J Dos Santos, Jean G F Joaquim, Robson F Giglio, Fabio S Possebon, Stella H Sakata, Maria A Miglino
Spinal cord injury (SCI) is a serious condition that causes profound economic and emotional impact in human patients and companion animal owners. It has been shown that the neurogenic effects of the stem cells are enhanced when combined with electroacupuncture (EA) in rodent models of SCI. To determine the safety and feasibility of combining transplantation of allogenic stem cells derived from canine exfoliated deciduous teeth (SCED) and EA in dogs with chronic spinal cord injury a canine pilot clinical study was conducted...
January 12, 2019: Research in Veterinary Science
Pedro Miguela-Villoldo, Marta Hernández, Miguel A Moreno, David Rodríguez-Lázaro, Alberto Quesada, Lucas Domínguez, María Ugarte-Ruiz
No abstract text is available yet for this article.
January 11, 2019: Research in Veterinary Science
Yu Tao, Jianhong Shu, Jian Chen, Yuehong Wu, Yulong He
Mycoplasma hyopneumoniae (Mhp) is the pathogen of Mycoplasmal pneumonia of swine (MPS), a chronic respiratory infectious discease which causes enormous losses to the swine industry worldwide. At present, vaccination is the most effective mean to prevent and reduce economic losses caused by this pathogen. Currently, MPS vaccines mainly include inactivated vaccines and attenuated live vaccines. However, these approved vaccines still have many drawbacks, and the infection of Mhp has not yet been fully elucidated...
January 9, 2019: Research in Veterinary Science
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